phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '-1' for key 'session_user_id'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in) VALUES ('048918bfbdc5cb02fe308cc2e876c51b', -1, 1714352163, 1714352163, '12776f09', -10, 0)

Line : 158
File : sessions.php